The alloy nipple is the choice for the wheel project looking to save some weight. The nipples are available with or without DT Pro Lock^®, the patented liquid inside the nipple thread, which makes the connection between nipple and spoke extremely durable. It pairs perfect with any wheel application looking for colors as well. Available in multiple lengths and colors of red, black, silver, blue, purple, gold, green and turquoise.

http://www.dtswiss.com/Components/Nipples/DT-Pro-Lock-standard